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Update your audio codec drivers for Windows.
MEDIA driver
IDT HK Calling App: Simple & Easy International Calling App Staying in touch with friends and family around the world is so easy and inexpensive...
IDT Universal: Simple & Easy International Calling AppStaying in touch with friends and family around the world is so easy and inexpensive with IDT...
IDT SG Calling App: Simple & Easy International Calling App Staying in touch with friends and family around the world is so easy and inexpensive...
IDT Universal is better than other international calling apps.
This is the official app for the IDT Worldwide Sales Conference. Please download the App to stay updated on the event agenda.